JB/T 8011.3-1999 Machine tool fixture parts and components Single-sided eccentric

JB/T 8011.3-1999 JB/T 8011.3-1999 Machine tool fixture parts and components Single-sided eccentric wheel JB/T8011.3-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Mechanical Industry Standard of the People's Republic of China
The parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Published
State Machinery Industry Bureau
Implementation on 2000-01-01
Mechanical Industry Standard of the People's Republic of China
Parts and units of jigs and fixturesSingle side eccentric wheel
This standard specifies the single side eccentric wheels with specifications of 30~70mm. 2 Reference standardsWww.bzxZ.net
JB/T8011.3-1999
Replaces JB/T8011.3—1995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T699—1988
Technical conditions for high-quality carbon structural steel
JB/T80441999
Technical requirements for machine tool fixtures and components
3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Bureau of Machinery Industry on August 6, 1999, and implemented on January 1, 2000
4 Technical conditions
Limit deviation
4.1 Material: 20 steel in accordance with the provisions of GB/T699. JB/T8011.3—1999
Limit deviation
4.2 Heat treatment: carburizing depth 0.8~1.2mm, 58~64HRC. 4.3 Other technical conditions shall be in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
30mm single-sided eccentric wheel:
Eccentric wheel 30JB/T8011.3—1999
Limit deviation
Limit deviation
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